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 $FCD1/64721:   Check Read / Write Pointer

Jump from <A HREF="ROMF5FA.HTM">$F624</A>, <A HREF="ROMFA60.HTM">$FACE</A>, <A HREF="ROMFA60.HTM">$FB7B</A>, <A HREF="ROMFBCD.HTM">$FC30</A>:

FCD1: 38        <A HREF="BSEC.HTM">SEC</A>
FCD2: A5 AC     <A HREF="BLDA.HTM">LDA</A> <A HREF="ZPAC.HTM">$AC</A>       ; Pointer: Tape Buffer/Screen scrolling
FCD4: E5 AE     <A HREF="BSBC.HTM">SBC</A> <A HREF="ZPAE.HTM">$AE</A>       ; Tape End Address/End of Program
FCD6: A5 AD     <A HREF="BLDA.HTM">LDA</A> <A HREF="ZPAC.HTM">$AD</A>       ; Pointer: Tape Buffer/Screen scrolling
FCD8: E5 AF     <A HREF="BSBC.HTM">SBC</A> <A HREF="ZPAE.HTM">$AF</A>       ; Tape End Address/End of Program
FCDA: 60        <A HREF="BRTS.HTM">RTS</A>

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